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首页> 外文期刊>Pesticide Research Journal >Antifeedant and Growth Regulatory Effects of ClerodendronInerme (Linn.) Gaertn. and Lantana Camara L. Extracts on TeaMosquito Bug, Helopeltis Theivora Waterhouse(Hemiptera: Miridae)
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Antifeedant and Growth Regulatory Effects of ClerodendronInerme (Linn.) Gaertn. and Lantana Camara L. Extracts on TeaMosquito Bug, Helopeltis Theivora Waterhouse(Hemiptera: Miridae)

机译：ClerodendronInerme（Linn。）Gaertn的拒食和生长调节作用。和马tana丹（Latana）Camara L.从茶蚊虫，Helopeltis Theivora Waterhouse（Hemiptera：Miridae）上提取

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摘要

Clerodendron inerme and Lantana camara extracts at 10.0, 8.0, 6.0, 4.0 and 2.0% concentrations were investigated in the laboratory against tea mosquito bug, Helopeltis theivora. The extracts exhibited significant effect on growth regulating properties such as feeding, nymphal and adult longevity, weight, mortality, adult emergence and fecundity The number of spots produced by a 4th instar nymph within 72 h varies from 385.00-395.75 and the same was reduced to 40.50±3.10 to 65.25±3.50 and 55.25±5.35 to 80.00±3.98 at 10.0 to 2.0% extracts of C. inerme and L. camara, respectively. Both the plant extracts enlengthened the duration of nymphal instars of the pest significantly. However, C. inerme enlengthened the duration of instar more significantly (4.00-4.75 d) than L. camara (3.19-.4.49 d). The per cent mortality of nymph varied from (21.50-30.12%) of C. inerme and (10.50-26.40%) of L. camara at 2.0-10.0%, respectively. The adult emergence (25.50-39.75 male and 26.30-40.15% female) from these treated nymphs also reduced significantly. Likewise, the extracts showed strong antifeedant effect (28.65-36.35 and 53.85 to 62.35 spots) in C. inerme and L. camara at 2.0-10.0% extracts respectively to the adults. The weight of both male and female adult reduced to 2.40-3.73 and 2.62-3.75 mg and 4.21- 5.49 and 4.36-5.64 mg by C. inerme and L camara, respectively. Likewise the adult longevity was also reduced by both the extracts. The treated female also laid very few eggs (38.25-57.50) as against 115.25-116.13 eggs in untreated female.
机译：实验室针对茶蚊虫Helopeltis theivora分别研究了Clerodendron inerme和马4.0丹提取物的浓度分别为10.0、8.0、6.0、4.0和2.0％。提取物对生长调节特性（如进食，若虫和成虫的寿命，体重，死亡率，成虫的出苗和繁殖力）表现出显着影响。第4龄若虫在72小时内产生的斑点数量从385.00-395.75不等，并且减少到40.50±3.10至65.25±3.50和55.25±5.35至80.00±3.98，分别以10.0至2.0％的C.inerme和L.camara提取物提取。两种植物提取物均显着延长了害虫若虫龄的持续时间。然而，C。inerme比L. camara（3.19-.4.49 d）显着延长了幼虫的持续时间（4.00-4.75 d）。若虫的死亡率百分数分别为C. inerme（21.50-30.12％）和camara L.（10.50-26.40％），为2.0-10.0％。这些若虫的成虫出现率（男性为25.50-39.75，女性为26.30-40.15％）也明显减少。同样，这些提取物对成人的C. inerme和L. camara也表现出强烈的拒食作用（28.65-36.35和53.85至62.35个斑点）。通过C. inerme和L camara，成年男性和女性的体重分别减少至2.40-3.73和2.62-3.75 mg以及4.21-5.49和4.36-5.64 mg。同样，两种提取物也降低了成年人的寿命。与未治疗的雌性的115.25-116.13个卵相比，治疗过的雌性也产下很少的卵（38.25-57.50）。

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